Quantitative Aptitude - Arithmetic Ability Questions

A square ground is to be covered by planting 100 saplings on each side. How many saplings are needed in all?

A train of length 100 m crosses another train of length 150 m, running on a parallel track in the opposite direction in 9 seconds. If the speed of trainhaving length 150 m is 40 km/hr, then what is the speed (in km/hr) of the other train?

The average weight of Somdev, Gurdeep and Ritu is 85 kg. If the average weight of Somdev and Gurdeep be 79 kg and that of Gurdeep and Ritu be 73 kg, then the weight of Gurdeep is

The average weight of Shivshankar, Gopesh and Reena is 97 kg. If the average weight of Shivshankar and Gopesh is 93 kg and that of Gopesh and Reena is 82 kg, then the weight of Gopesh is

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

After a discount of 34% an article is sold for Rs. 3168. What is the marked price (in Rs) of the article?

If cotA = x, then the value of x is

In the following question, select the odd number pair from the given alternatives.